subscribe_index_value
Subscribe to live index value updates.
This record as markdown: /tools/abhijeetmohanan-growwmcp/subscribe-index-value.md
What subscribe_index_value does on Groww MCP Server
AI agents call subscribe_index_value to retrieve information from Groww MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why subscribe_index_value is rated Low
Even though subscribe_index_value only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
The rule that runs subscribe_index_value safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Groww MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For subscribe_index_value, this is the rule to start with:
subscribe_index_value is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Groww MCP Server, apply this rule, and every subscribe_index_value call is checked against it from then on.
Questions about subscribe_index_value
Subscribe to live index value updates. It is categorised as a Read tool in the Groww MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Groww MCP Server MCP server in PolicyLayer and add a rule for subscribe_index_value: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Groww MCP Server. Nothing to install.
subscribe_index_value is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the subscribe_index_value rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for subscribe_index_value. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
subscribe_index_value is provided by the Groww MCP Server MCP server (abhijeetmohanan/growwmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Groww MCP Server, and thousands of servers like it.
This server
Across the catalogue